Michael Marchant

Michael Marchant

Director, Patents

London Croydon

In the biological and chemical fields, Michael Marchant’s expertise comes in all sizes. He works on gene sequences, immunology and antibody technology. He has experience in small molecule pharmaceuticals and cellular technology, particularly stem cell biology. He also works on polymer technology, diagnostic technology and medical devices.

Michael works closely with clients to advise on European and global filing strategies. That extends to obtaining and opposing patent term extensions (SPCs) and advising on regulatory and orphan drug issues. He is regularly involved in contentious work, including due diligence advice and infringement and validity opinions, and attendance at EPO opposition and appeal proceedings.

Michael also regularly provides opinions on registered and unregistered design infringement and validity, as well as being heavily involved in registered design filings. He is a member of Murgitroyd’s design group.

Michael read Natural Sciences at the University of Cambridge, where he specialised in plant sciences (including plant pathology and plant genetics). He joined Murgitroyd in 2008 to head the London Office patent group, having spent almost six years at a leading London firm of patent attorneys.

Michael is based in our London Croydon office.

  • Diagnostic technology
  • Medical Technologies
  • Microbiology
  • Biotechnology
  • Molecular biology
  • Cellular technology
  • Stem cell biology
  • Immunology
  • Plant sciences
  • Plant pathology
  • Plant genetics
  • Small molecule pharmaceuticals
  • Orphan drugs
  • Opposition specialist

Key contributor to our Life Sciences & Healthcare Team awarded Gold by the Financial Times

Financial Times European Leading Patent Law Firms, combined Pharmaceuticals, Biotechnology, Food & Healthcare awards - 2019, 2022 and 2023

Oh my gosh, I want to go do cartwheels!! Though I think I would probably injure myself. I will stick to the celebratory champagne instead! Such great news, thanks for all your advice and help in getting our evidence in order. Miracles can happen.

Partner, Specialising in Life Sciences and Biotechnology, US Law Firm

Mike, Fabien, thanks for handling the twists and turns of the hearing so well. Thank you for your input at an important moment. I really appreciate it and the outcome is very good for our company.

Senior Patent Counsel, Pioneering diagnostics Company

I’ll keep recommending you internally for these Strawman cases. We’ve had some good results together over the years.

UK IP Firm

Great job at the oral hearing and with all of the preparations that went into this. This is a great outcome!

US based biotechnology Company

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